\newsavebox{\balls}
\savebox{\balls}(120,69.28){%
\begin{picture}(120,69.28)
\multiput(20,34.64)(40,0){3}{\circle{40}}
\multiput(0,69.28)(40,0){3}{\circle{40}}
\end{picture}}

\begin{picture}(340,173.2)
\multiput(0,0)(0,69.28){2}
       {\multiput(0,0)(120,0){3}{\usebox{\balls}}}
\end{picture}

